Sm Wouxun KG689VHF
Contents
1. PARTS LIS Designators Name an ications Footprint C161 Resistance 91R R0402 C163 Resistance 150R R0402 C164 R1550 Resistance 180R R0402 C165 R145 Resistance 270R R0603 C166 R444 Resistance 330R R0402 C167 470R R0402 C168 R338 560R R0402 C169 680R Ri C170 R323 R336 R453 R349 R303 R203 ne AQ R1122 R1053 R119 R114 R375 C171 1 5K C172 Resistance 1 8K R04 C173 R452 Resistance 2K2 C174 R377 R325 R1070 Resistance 3 3K C175 R1152 R212 R102 R361 2 R111 R372 R113 Resistance 4K7 R0402 C176 Resistance 5K6 R0402 C177 R439 R380 R374 15 R1121 R571 R1137 Resistance 1 R0402 C178 Resistance 1 R0402 C179 Resistance R0402 C180 Resistance R0402 C181 Resistance 30 R0402 C182 R102 Resistance 33K R0402 C183 Resistance 39K R0402 C184 20 R101 R125 R450 R857 Resistance 47K R0402 C185R Resistance 5IK R0402 C186 R464 Resistance 56K R0402 C187 Resistance 82K R0402 C188 R345 R337 R1024 100K R0402 C189 R313 150K R0402 C190 270K R0402 C191 330K R0402 C192 470K R0402 C193 R1021 R1031 R1016 R573 R572 R1018 R326 ne MS C194 10R R0603 C195 47R R0603 Version KG 689 0801 V1 Page 16 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 6892. KG 689 LCD Version KG 689 0801 V1 Page 26 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 LCD Board KG 689 LCD TOP 689 LCD BOTTOM ron sor ston sion 91 649 699 95 KG 689 LCD z o o N Version KG 689 0801 V1 Page 27 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Layout Board Layout Board View Version KG 689 0801 V1 Page 28 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Layout Board ANT111 EJE3 pa EJEA Ea baba E24 EJ L229 E EEE ca ku ES Eco sB EJEA co En T525 FL1030 Version KG 689 0801 V1 Page 29 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 PCB Board PCB Board View TC 3121 SPK TD 26EA opor Version KG 689 0801 V1 Page 30 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 PCB Board PCB Board View ANTENNA 0 31 1 7 4T 0 31 1 4 7T 10uFA0V TER Ed Pa i NC E3 O 0 31 1 4 8T 057 i 28K3476 m l 3 ra or 104 ES Cabana mea CJ CH68NH CH68NH Z coal gal is a 2803357 RS Det E 2 70P tp e 38 850MHz HAD D3EJP3 HSC277 EE 5 34 E e ED
3. 3 m zm BE Q ge u Version KG 689 0801 V1 Page 31 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Block diagra ANT LPF xe m A gt y 333 LA o Ao 956 EE vo sc PTT RX232 p un swsro t MONI SX 1 Most U811 BEEP MUTE SWSTI t PIT MCU rd Usi PIT VOICE xpo d U853 Ss in ma y Ui SP MUTE pfus TXDO JK451 E LCD Hono 0000 sB Gi VR411AA goa HT 1621 Pee TT AF Version KG 689 0801 V1 Page 32 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Technology Specica Model KG 689 Frequencyrange Memory Channels Voltage Battery Life 90 5 5 Working Temperature Antenna Impedance Frequency Stability 2 5ppm 30 C to 60 C Transmit part Max Output Power SW Modulation Type FM F3E Frequency Error lt 2 5ppm Mixed radio heft lt TuW Adjacent power 265dB Modulation Fidelity 3dB of 6db per o pre emphasis characteristics Max Modulation lt 5KHz 12mV 3mV Audio Distortion Signal to remaining output powe
4. you will hear a background noise or you wil Version KG 689 0801 V1 Page 3 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Disassembly for rep a 1 Pull down the button of the battery both side at the same time then tak 2 Take off the knob and antenna 3 Take the earphone plug from earphone seat 4 Open the Aluminum shell5 th et board gt li ll li a eim 1 Use an electrig Id the welding which connect the speaker wi a areful don t break the line which connects with s 2 Take off t erproof circles and two round screws 3 Take off the S sets which on the keyboard Version KG 689 0801 V1 Page 4 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Description 1 Frequency association Frequency association is shown in Chart 1 V T 136 174MHz R 136 174MHz Q V pa cs 2nd th en input to ww r blow up by T220 the disturb signal will uc PFAMP P HHA m a 2 The first mixer The receive signal and the first PLL ur birth to the first intermediate frequenc filter oot flap signal will mix on the first mixer T233 then give except that all disturb signals will be unchained by crystal Version KG 689 0801 V1 Page 5 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Descriptio
5. inductance C224 NC L0603 Low frequ multi layer C225 i CI100nH L0805 inductance multi layer C226 CI560nH L0805 C227 L223 L229 CH68NH LO C228 CH85NH 80 C229 L1163 ding Inductance CHI20NH 05 C230 L128 L145 L237 x Inductance CH220NH C231 Winding Inductance CH560NH L08 C232 L354 NC C233 0 31 1 4 4T 032319 C234 0 31 1 4 LC042125 C235 L215 High temperature without high 0 31 1 4 7 LC 031638 C236 loop 0 31 424 8T LC032334 C237 L154 0 3 LC032121 C238 04 1 0 3 LC032319 C239 D572 D326 Diode N D ESC C240 D211 D111 D Diode D ESC C241 D353 D352 D345 D Diode D ESC C242 Diode M 11 D ESC C243 Diode BA592 D USC C244 T361 Dynatron 2SC4617 T ESM C245 Dynatron 28J243 T ESM C246 Dynatron DTA114EE T ESM C247 T2 Dynatron DTA114YE T ESM C248 T455 T453 T1123 Dynatron DTC114EE TESM C249 Dynatron 28C3357 T SOT89 C250 2SK1588 T SOT89 C251 T451 5Bl T TSM C252 R25 T TSM C253 T375 T370 28C4226 T USM C254 28C4215 TUSM C255 ISS4181 T USM C256 UMC4 T USV C257 NC T USV C258 188372 D USM Version KG 689 0801 V1 Page 18 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 PARTS Designators Name and ications Footprint C259 Impel Tube RDO1 T SOT89 C260 T350 Single valve K52 T TSM C261 T220 Bigrid Valv U72 T TSQ C262 Power Tube 2SK3476 T PD C263 5VS POOU U TSV C264 Inte 7088 U SOP16 C265 Int Brate Circuit 8870 SSOP 20 C266 te Circuit TA7368 0 C267 cuit LMX2331 SSOP
6. 2 C268 e Circuit NC C269 FL252 Crysta 38 850MHz F C270 Crystal 19 2MHz FX DS0507 C271 Patch Ceramic NC ZTTCC C272 atch Ceramic 3 58MHz A ZTTCC C273 Potentiometers RD91 S RD810S C274 Antenna seat ANT A ANT KX01 Version KG 689 0801 V1 S S Bi Page 19 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 KG 689 LCD PAR E Comment Footprint Quantity Designators zx owe amp mus mr E A im mes WM ms fh si roo TRE mue E A mo wo med mao R5 QN o EUER M RES iur ma 1 Em IM RISA SD SS DICIHEE al he ml ot mew AER 1 un e a A e D705 N 20PIN P 0 JP701 Ss Version KG 689 0801 V1 Page 20 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Exploded view ourside box Version KG 689 0801 V1 Page 21 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Adjustment Descri The radio can be adjusted by PC programming software or by keyp justment Adjustment procedure as follows Instrument Radio Communication Test Set et Scanner 1 set 3A 12V Power Supply 1 set Digital Voltmeter 1 set Adjustment The PC programming software can downl OUXUN website or ask for your WOUXUN dealer Install in your PC Connect the radio with PC by programming cable Select the right correspond port by edit software Turn the radio on Reading the administer code into the freque
7. 443 change the AG O frequency to DC electricity level signal b 4 put it into the CPU U811 the 21 feet o grade FEI amplifier after invigorative blo 14 7 and blow up the power about 4W 5 Bi Version KG 689 0801 V1 Page 7 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Description 4 Select transmit and receive circuit As shown in Chart 5 Output transmit signal will pass tra voltage from U170 one is give birth to the vol use for adjust the power output AD1 give birth to the other one is get the R171 R173 two ter end terminal exhaust current be direct ratio check out voltage On the output terminal of U181 E erence voltage and check out voltage di direct ratio voltage signal This signal b e then as APC voltage This voltage be use discreteness power control feet and make As show in Chart 5 Version KG 689 0801 V1 Page 8 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Description 5 PLL Circuit 1 PLL 19 25MHz reference oscillator output through PLL IC U KHz reference frequency VCO output signal blew up by T337 then bring comp dispart frequency ratio by CR311 and get different inspec ce frequency then bring 5KHz and 6 5 ncy by U311 dispart frequency Use different ture consult frequency According referenced frequency and comparable frequency value the 25 10 12 5 and 25KHz for step frequency value of PLL synthesiz
8. PARTS LIS Designators Name and specifications Footprint C196 Resistance 150R R0603 C197 Resistance 47K R0603 C198 Resistance NC R0603 C199 Resistance OR R0805 C200 OR R1206 C196 150R R0603 C201 10R R C202 IK 12 C203 50K 208 C204 E454 er Capacitance luF C205 Multi layer Capacitance 2 2uF C08 C206 Multi layer Capacitance 4 TuF C207 Multi layer Capacitance 10uF C208 E1035E910 E912 Multi layer Capacitance 22uF C0805 C209 E1134 Multi layer Capacitance NC C0805 C210 Multi layer Capacitance C1206 C211 E461 Tantalum Capacitance EJA3216 C212 Tantalum Capacitance EIA3216 C213 Mig frequency multi layer L0603 inductance High frequency C214 L283 L28 7 L0603 inductance High frequency multi layer C215 L1139 CH100nH L0603 inductance High frequency ulti la C216 L36 CH120nH L0603 inductance High frequency layer C217 L370 CH220nH L0603 inductance Low freque Jayer C218 i CIluH L0603 inductance multi layer C219 L363 CI3 3uH L0603 multi layer C220 L345 L345 L1148 L1029 CI6 8uH L0603 multi layer C221 CI100nH L0603 multi layer C222 CD70nH L0603 Version KG 689 0801 V1 Page 17 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD PARTS LIS Model KG 689 Designators Name an ications Footprint Low frequency C223 CI560nH L0603
9. Service Manual QUANZHOU WOUXUN ELECTRONICS CO LTD QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 KG 689 transceiver service nual Contents A ER a E Personal safety Disassembly for repair Circuit description aa m Parts MSU screen saenseneidevsadasenesnanaces ORE ERR EE ERES ECD part tud di Exploded MW iia Pac a s Adjustment dia erede A tena ates A EST LCD Schematic LCD BO ERN Layout B ard s ow a nance ela Inici PCB Boards edes oon tartas Block digaram Specification 5 Bi Version KG 689 0801 V1 Page 1 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Introduction Scope of this manual r with similar types of commercial ce information the equipment and is t and complete 1f there is something ion And we also keep the right of change This manual is intended for use by experienced techni grade communications equipment It contains all req current as of the publication date This manual oversight WOUXUN company keeps the right o the design and the specification Personal Safety Do not transmit if you don t check al ng pins or one of the opening pins has nect to the correspond port Switch off power when you are on bility gas condition Do not take it apart or have it repaired by a nonprofessional m Turn off the radio befo detonator and blasting area m In order to avoid the pro arising by Electromagnetic interfere nd or Electromagne
10. ZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 PARTS LIS Designators Name an ications Footprint C129 Capacitance 200P C0402 C130 Capacitance 222P C0402 C131 C324 223P C0402 C132 224P C0402 C133 C286 332P C0402 C134 333P C0402 C135 C136 C234 C235 C375 C223 C225 C1131 C453 C452 C367 C363 C362 C118 470P C112 C145 C136 C126 C137 nce 473P C138 Capacitance 474P C04 C139 C237 C246 C355 C368 C352 C1017 C1019 C1020 C1015 C1012 Cl C572 C1014 C1040 C140 C114 tee S in C141 C1150 Capacitance C0603 C142 Capacitance C0603 C143 C153 Capacitance C0603 C144 Capacitance C0603 C145 C1038 Capacitance C0603 C146 C143 Capacitance C0603 C147 Capacitance C0603 C148 Capacitance C0603 C149 C129 Capacitance C0603 C150 Capacitance C0603 CI151 C13 Capacitance 102P C0603 C152 Capacitance 470P C0603 C153 Capacitance 680P C0603 C154 C1037 C140 C139 C131 C158 C142 Capacitance NC C0603 C155 Capacitance 104P C0805 C156 470P C0805 e R437 R341 R460 R454 R1082 OR 20402 C158 R366 R462 10R R0402 nd R221 R224 R376 R373 R371 100R R0402 C159 R121 22R R0402 C160 R118 R116 R124 47R R0402 Version KG 689 0801 V1 Page 15 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689
11. e Q HE a Version KG 689 0801 V1 Page 11 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Descri 8 Select power circuit Power offset circuit as following POWER TX POWER ower voltage of power amplifier 5V V by U906 regulator circuit used for reset ower VDD of U511 U853 D711 and U8111 5M t 5M by U911 regulator circuit used for CPU wer VDD 301 be controlled by the 40th side 811 5C output 5C by 5V used for PLL circuit O circuit and CR311 power circuit VDD T202 be controlled by the 27th side of 811 5R output 5R by 5V used for U264 3 1253 T220 power VDD T103 be controlled by the 2 by 5V used for T113 T117 T and D146 D216 swit 811 output 5T T171 U411 U170 and or receive T451 and T453 be c y the 72th side of CPU output P 7368 powe by B used for U460 power Version KG 689 0801 V1 1103 9 ST m iil Gs Chart 8 I Page 12 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Description 9 CTCSS DCS circuit DCS signal output CTCSS audio frequency signal from t from the 29th When transmit CTCSS the DCS output fro f CPU U811 and output DCS signal modulated by low pass When rece
12. er According refereng ency and comparable frequency discrepancy value the output correspond pulse voltage from t of U311 change it to direct current si current signal by filter after through Charge Pumpllihen bring lock voltage 2 VCO Goal frequency is make up of FETT355 and 0 directly produced by Rapids oscillator Loc voltage and then modify oscillator frequency by D353 D352 D346 and D345 3 Lose lock detection circuit detecting the voltage of LD si 4 Digital control circuit Version KG 689 0801 V1 Page 9 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Description 6 Reset and reserve circuit When connect with power one reset circuit made up of T823 R8 5 C825 output a positive impulse this impulse signal add to the 37th feet reset side of U U811 turn low and CPU send all data to U835 to store th Detect battery voltage circuit Input SB to the 23th side A D switch port of CUP U8 LCD battery level indicator Floodlight and LCD circuit Floodlight and LCD directly be controlled on n off the power the 37th feet side of reserve e disparted and after disposal by CUP drive Version KG 689 0801 V1 Page 10 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Description 7 Battery save circuit One receive state the squelch turn off if not press any key within state mode This control circuit through CPU directly cont d the power circuit will enter sav
13. ive directly disposed by CUP after through detection fr Version KG 689 0801 V1 Page 13 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 PARTS LIS Designators Name and ications Footprint C211 Capacitance 0 5P C0402 C358 C351 C348 Capacitance IP C0402 C213 C226 Capacitanc 1 5P C0402 C251 Capacitance 2P C0402 C219 C228 C338 Capacit nce 3P C0402 C217 C230 Capaei 4P C0402 C349 C337 C335 C334 Caffacitance 5P C0402 C372 a C 7P C356 a 8P 402 C216 C231 itance 9P C321 C357 C229 C289 C377 C350 C332 Capacitance 10P C C232 C227 C371 C117 Capacitance 12P CO C113 C111 Capacitance 15P 02 C114 apacitance 20P 402 C115 Capacitance 22P C0402 C116 Capacitance 24P C0402 C117 Capacitance C0402 C118 Capacitance C0402 C119 Capacitance C0402 C120 C1086 Capacitance C0402 C121 C336 C461 C329 C326 C325 C204 Capacitance C0402 C122 C138 28 C220 C222 C296 C322 C410 C376 C370 C365 C34 9 C121 C120 C115 cps CN 1083 C1084 C1051 Capacitance 102P C0402 C1138 C124 C233 C901 C454 C1156 C4455 C224 C440 C451 C374 C364 C361 C331 Capacitance 103P C0402 C1128 C125 C137 C442 C444 C279 C298 C294 C281 C103 C445 C443 C1552 C435 C373 C366 C339 C126 C318 C303 C455 C101 C1056 C1023 C1127 C221 C1130 C133 NE ne C297 C1039 C301 C127 105P C0402 C128 180P C0402 Version KG 689 0801 V1 Page 14 of 33 QUAN
14. n 3 Intermediate amplifier As Chart 3 show the first intermediate frequency blow up by T2 modulation integrate circuit At time signal will mix wi Through 450K filter except that all disturb signals will be Audio frequency amplifier The audio frequency signal comes from inspected fi aggravated then input to MCU U811 then through adjust potentiometer blow up by U460 get the requency power contact with MIC via T463 n enter U261 FM signal frequency ot flap switch to second IF signal then be blew up and inspected U811 and deal with it by the 25 feet interior According to the electricity level signal which one side it can control SP MUTE APX and AFC to LCD screen 15 BEEP CTCSS SP MUTE 1 Speaker amplifier As show in Chart 4 audio frequency signal comes U411 A all distortion audio frequency signals wi U411 B caused by limited blow up Modulate circuit The signal comes from speaker amplifier changeable reactance by varactors tube be aggravated then limited blow up by ed by adjacent filter which makes up with adjust potentiometer VR382 then modulating Version KG 689 0801 V1 Page 6 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Circuit Descripti U411A UA11B i s 7 I 13 LS 3 MODE si BT r T414 2 T443 D443 VOX A 143 sv 2 VOX circuit Blow up audio frequencyssig es from the speaker s by T
15. ncymode Switch the transceiver to the frequencymode 1 VOC Test Item Instrument Terminal Digital Receiver Voltmeter CV 136 174MHz Digital 136 174MHz Voltmeter Operation Test Specification Condition of Test frequency Test data Remarks Instrument band Setting Connect Power Level set with Sensitivity supply 118dbm Radio SINAD voltage MOD 136 174M mmunication gt 22dbm DC7 4V FREQ Test Set AF 1KHz GENOUTUT LEVEL by SPK 3KH Version KG 689 0801 V1 Page 22 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Adjustment Descriptio Adjustment Specification Item Factory set Remarks Method Part Squelch Sensitivity Entering On 5 level MENU 2 VOX Level Entering OFF MENU 7 Receive Entering OFF CTCSS MENU 10 Receive Enteri DCS MEN 05 groups OFF 3 Transmitter Adjust Item Factory set Method Part Transmit Power Enterin 10 levels On 10 level MEN Overtime prompt Has 15 600 seconds On 90 seconds each level 15s difference WIDE Modulate 5KHz Transmit W amp N NARROW Modulate 2 5KHz Transmit ntering 50 groups Full modulate Same to W amp N MENU 10 band 0 5 0 75K Hz Tran Entering 105groups modulate Same to W amp N MENU 11 band 0 5 0 75KHz WIDE WIDE Modulate Modulate MOD FREQ 5KHz Speaker MIC 5KHz 1KH
16. r rate Channel Inhibition Adjacent Channel Selectivity Spurious Immunity InterModulation 255dB Blocking 255dB Receiver limited characteristics lt 3dB between 6dBuV and100dBuvV Modulate Audio Distortion lt 10 Version KG 689 0801 V1 Page 33 of 33
17. tic radio where there has a mark Turn such as hospital or ane 5 Bi Version KG 689 0801 V1 Page 2 of 33 Compatibility please other health care plac QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Disassembly for rep 11 p 7 n UU RB a I A lt D Power Voi Turning by clockwise to switch on radio Turning to bottom by counter clockw 9 switch off radio Turning by clockwise to turn Up voice Geunter clockwise to turn down 2 LED indicator light A light A lig corresponding to the A frequency range Red light means rad ens ing signal green light means radio receiving signal the ght and green light flicker alternate means tral its irgency alarm LED indicator light B light ighbiis corresponding to the B frequency range radio transmitting signal green light means radio recel then red light and green light flicker alternate transmits urgency alarm Top key PF2 Programming function key press press thi PTT switch Press this switch then you can transmit thro beaker 6 Side key 1 PF1 Programming function key press pre MONI key On this mode the speaker will be If there is not any signal on freque receive audio frequency Speaker Mic faucet On this position you can co on accessorial function ey press to turn on accessorial function force using to receive the signal on frequency
18. z NARROW NARROW LEVEL Modulate Modulate 3 2 5KHz 2 5KHz WIDE DTMF Modulate 2 5 3 5KHz NARROW Modulate 1 5 2K Hz Version KG 689 0801 V1 Page 23 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Adjustment Descriptio 4 Setting programmed software functions and paramet Item Edit Method Adjustment ban Specification Remarks Entering the page of ANI can be programmed programm ANI software which has See the user s manual available ANI Entering the DTMF set page See the user s manual DTMF which has available signal Version KG 689 0801 V1 Page 24 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Schematic dtc To les ate aa agp im Ley cox Lewy my o I9 sp i wi E Spina Connectie LCD and keypad so en oasa os on oss pd Ej A d Version KG 689 0801 V1 Page 25 of 33 QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 LCD Schematic RB2 DTC114EE E I E A E C723 102P IER UN di dq il b 0079 Loh Dad mg em R737 R736 510R 510R Dni 104148 RES T703 co I kc K PB D722 R739 1N4148 1K
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